use docx_rs::*;
use std::io::{Read, Write};
pub fn main() -> Result<(), DocxError> {
    let path = std::path::Path::new("./numbering.docx");
    let file = std::fs::File::create(path).unwrap();
    Docx::new()
        .add_paragraph(
            Paragraph::new()
                .add_run(Run::new().add_text("Hello"))
                .numbering(NumberingId::new(2), IndentLevel::new(0)),
        )
        .add_abstract_numbering(
            AbstractNumbering::new(2).add_level(
                Level::new(
                    0,
                    Start::new(1),
                    NumberFormat::new("decimal"),
                    LevelText::new("Section %1."),
                    LevelJc::new("left"),
                )
                .indent(
                    Some(1620),
                    Some(SpecialIndentType::Hanging(320)),
                    None,
                    None,
                ),
            ),
        )
        .add_numbering(Numbering::new(2, 2))
        .build()
        .pack(file)?;


    // read file
    let mut file = std::fs::File::open("./numbering.docx").unwrap();
    let mut buf = vec![];
    file.read_to_end(&mut buf).unwrap();
    let docx_copy = read_docx(&buf).unwrap();

    // pack file
    let path = std::path::Path::new("./numbering_copy.docx");
    let file = std::fs::File::create(path).unwrap();
    docx_copy.build().pack(file)?;

    Ok(())

}